.zhtt-modal {
    transition: all linear 0.2s;
    background-color:#F2F2F2;
    height: 330px;
    width: 500px;
    position: absolute;
    top: 10px;
    left: 100px;
    z-index:999999;
}
.zhtt-modal .panel-body{
    max-width:500px;max-height:230px;min-height:230px;height:230px;overflow-y: auto;
}
.ng-hide {
    height: 0;
    background-color: transparent;
    top:-200px;
}